三年級數學(上)計算題專項練習附答案集錦

三年級數學(上)計算題專項練習附答案集錦695-687+134=318×9=291-40-153=204×3=608+235+860=697×(807-798)=574×7=747-(485-357)=320-48×6=244-68=928+444+690=330-(70+17)=127+329-62=678-42×9=718-108=138×(81-74)=479-137-141=316-133×2=654×9-678=857-137-475=184+216×2=161+298=492-143-254=334+(318-135)=39+113×3=839-(913-872)=456+727=248×3-549=109-14×4=464-97-360=12×6=100×(312-308)=531×3-684=331-13×5=365-190-172=319×2=911×(93-86)=2/4-1/4=783+941-805=23×(335-326)=849+30×8=278+962=423-(140-20)=779+722=505-29×8=243-161=46×(634-628)=324+(931-551)=578+161=741×8-29=309+54-64=395-244+174=470-(202-27)=230×2+304=136×7=83×2=42×(347-339)=33×8+445=19+55×9=559+774+336=840+344-333=933-758-156=339+316+926=88+356+178=8/10+2/10=918-(549+116)=117×(43-39)=138+155=956-262-499=194+510=502-328+887=469-364+395=399-(131+76)=246+114=3/5+2/5=822-60-276=382-96=38+15=943+415+669=427+(461-378)=465-417+184=625+(746-611)=423-20=143+75+19=241×(425-421)=534×(670-661)=5/8-1/8=133-14×7=662-252-174=335-(72+202)=122+(299-151)=108×(142-135)=858+791-804=313×(277-271)=107×6+310=728×(703-696)=59×8=123+169-222=61-10×5=289+(354-21)=660+597=351-66×3=337×(100-91)=412-12=96×(27-20)=257-48×4=903+917-540=608+529+890=663-(757-360)=199×5-651=998-(529+212)=735-(146+95)=801-(133+381)=491-282-154=852-43-117=930-529-97=189×2+268=362-189-111=326-(444-335)=718×8-242=122×5-524=838-(958-833)=121+61=264-(151+101)=728-156+216=119×8+466=623+711=715+(881-555)=136×4=606×7=86×7+691=154+342+606=514-205-156=300+79=2/3-1/3=123+170+293=316-13×7=57+529+21=823+(753-342)=839+51×2=211-91×2=568-442+89=232+58+353=370-(31+195)=393-316+124=283-28×4=629-405-183=296-102-146=2/8-1/8=586-254=480×2-820=272×7=633+460+803=160+283+256=70+528+59=228-189=136+292-336=261-(58+137)=816-(875-193)=375-(156+125)=140-21=440+(466-111)=559+(773-684)=942-765-46=10×(423-417)=316+(301-251)=483-425-48=277-64=283+(237-11)=430-(322-213)=383+138+71=120+355+236=646+(855-622)=421-25×6=476-159+166=41+58+516=418+711-672=447+87+78=124×8-843=361+379×2=289+(288-185)=425-(499-434)=384-283=103×5+42=35+(491-211)=772-(265-39)=190-176=343-(364-290)=158+65=992+182-803=184×3+674=442-(282+11)=99×(163-157)=325-321+121=84×(121-114)=940-650=164-86=354+508+496=699-77-353=4/6-2/6=144-27×5=128+48×6=3/8+5/8=55+395-52=925-458=540+612=289-(339-175)=641×(241-237)=403-35×3=406×(939-936)=329-(120+90)=298×(458-455)=10×(191-188)=232-(239-60)=969+(704-247)=113×8-485=309-201-96=960-277-506=122×(317-310)=595-188+418=897-650=26×8=290-36=83×(318-312)=260-179=497+220+88=387-(698-692)=149×9-184=419+40×7=442-(112+209)=106+770-800=137×7-674=870×7-151=124+(413-72)=146+193=406+58-163=324-(110+110)=280+(102-24)=345×2-77=981-751+519=313+108+108=717-49×6=96×4+372=930-827+928=343-(90+36)=489-231-191=353+60=334+164×3=222×3-325=457-142-100=479-(219-76)=349-(449-115)=480-19×4=84×2=112×(276-269)=39×5+837=732+173+258=84+204=115×3+307=340-255-34=890-739+572=178+260×3=48×9+251=319+(922-98)=728-682=253+384+115=74+888-158=208-142=178+(276-249)=321+56=488-(478-311)=831-10+330=19×6+15=155+53+229=501-266-149=98+392=209×9-828=990-(14+971)=435+211=204-(278-253)=89×(339-332)=385-175=579-(196+238)=530×8-324=83×6=954-(216+475)=866-808+486=358×2-546=345+(828-89)=78+423×2=127×3-179=91+377-106=389×2-636=91×(262-253)=172×4+379=115+(406-249)=786-(483-244)=467-(300+53)=4/7+2/7=155×3+256=63+195-41=3/8-2/8=68+(230-180)=662×6-589=483-220+56=947-177+722=466+475-349=426+347+38=951-202×2=391-(243-46)=138×3-91=250-30=625-483=5/8+2/8=485-94×2=336-(86+225)=401-103-111=81+118×7=76×3=574+51+276=218+150=263-(134+31)=493-260=103×4=915-422=365×2-634=328-23×4=399-(39+208)=282-(994-941)=609-31×3=147-85+80=474+(569-380)=997×4=317×3-814=101×3+122=284-(21+216)=7/10+2/10=949-701=655-(564-374)=313+111+272=309+(468-183)=184+379+289=374+138=187+213=210×2+106=365+69+288=522×2=898-16+819=576+(551-209)=20×2+818=174+289-158=667+164+663=65+(873-63)=293+56-282=112+357-365=210+681-376=209-(56+130)=260+316×2=479-356+19=994-710=718-203×3=473-(475-205)=413-260+301=335-56-14=199+105×5=972×(254-247)=761+(416-95)=332+817-912=213×2=288-(268-99)=571+373-443=482×2-742=241+307+316=32×4+480=129+989+276=222+443=248-(108+107)=408+(932-153)=974-(453+194)=802+(737-223)=381×2-500=380+(908-219)=299+599+126=644-(329+246)=270-54+239=34+496+52=766-(212+10)=523-(549-494)=414-52-29=762-168+739=191-22×4=216+185=370+276+48=173×(442-439)=476-138×2=231+(309-148)=424-84×4=200-31×2=588+745+350=70×6-350=686-(31+293)=323×4-992=32×5+878=653-449+546=27×(148-143)=976+93×7=641-65×5=918-247×2=262-46×3=162-(51+28)=28×(270-264)=818-172-116=894-544-119=965-(738+15)=792-(218+302)=161+234+357=281+140=52×(62-57)=431-41=1/6+3/6=495-(179-48)=29+56=909-718-87=431×(632-625)=302+(707-376)=496-(128+158)=374-111-94=231+(300-224)=89×2=822-(226-103)=307-68-71=384-26×3=257+73-136=486-286+49=478-30-95=376+(441-403)=137×(247-242)=764×4=354+218+868=47×4=462-24×2=794-385=195×4+72=881+846-278=361+137=210+45-88=467-81-236=406-154-69=186+44×2=191×4=22×7+848=651-533=574+382-24=345+490=507+180-679=192+390+416=523-36×5=89×(70-61)=270-(173+43)=99+549+240=261-(341-309)=983-(606-284)=838×(481-476)=95×7-363=93+63=433+34-130=362-(196-49)=902-(311+134)=979-42-541=387-(83+149)=472-79×4=137+(498-50)=783+825+886=286+499=30×(324-318)=490+793+65=440-214-49=1/3+2/3=474-(379-11)=592-295-31=434+388=90×8=322-320+367=354-152=253-77=26-18+131=962-(355+415)=937×(464-456)=125×7+232=82×7=226+(363-255)=262-(193-186)=431-(144+213)=586×3-247=577-(271-222)=466-439-21=95×9=85×5-202=880×(413-408)=101+374-97=236-(139-35)=132×2=492×7-536=191-(351-308)=237+367×2=104×(278-272)=116+133-41=3/6-2/6=257-(476-434)=354+126×4=972+(791-744)=44+681+146=119×8-794=972-863=417+243×2=198+(420-381)=355+141-230=399-366=207+163=661-(84+287)=77+244=158+220-325=197×5-769=333-147+37=898×(397-389)=461-(163-19)=839-108-603=191+297=268-(270-207)=4/8-2/8=835-400-156=611+747-30=757-17×5=229-117=33×6=189×(48-43)=524+529=413+77-214=864-793=387-(53+154)=270+352+233=65×6=25+(286-97)=558×2-86=170+111=340×9-90=218-180+415=226+946-258=65×2=125+243=183+152×4=217+147=807-382=371-29=953-312+761=998-(502-497)=917-(559+136)=43×8-182=246+65=472-25-261=334+495-319=779×9-540=487-19-433=886-(787-511)=165+231-162=183×4=459+943-73=103+102=703×(721-718)=408×9-326=880-184=468+(400-83)=508×2=94×(297-288)=2/8+3/8=329-(16+35)=950-345+846=458+139-115=632-198-259=230×2-175=315-(805-595)=337×2=279+(269-242)=980-(258+428)=635-46=471-100-342=247+130=720-(806-294)=340-89-11=159+911+961=472-292=336+680=128×7=697-(302+161)=599+603+491=363×6-475=878×(773-769)=330-130=885-430+744=276-(66+120)=90+(487-73)=901-125-332=31+114=294×3=705-628=370-(997-995)=595-176+181=605+147=76+389-310=171+168=685×(132-129)=444-340=205-18+189=61-(119-107)=206×4+444=250-(28+36)=183-30+331=71+52+72=726-517=282-29×6=146×(483-480)=296-(291-41)=529+738+325=4/9-3/9=227-(465-239)=850-701+904=156×2-241=373-96-199=186+(311-113)=425+947=362+14×7=681+658-223=406-44×9=113+268=115+(879-585)=3/6-1/6=262+(878-699)=83+435×2=445-227-208=225-103=387+(385-277)=301×4=331-72=409+62×2=269+196-30=886-(410-345)=812-(261-118)=299-(117+122)=1/4+3/4=718-533=122×2=258+56+267=952+35-681=264+31-12=203-(48+140)=314+108×2=372×2+198=102+17=442-29×4=298×4=123+(229-80)=461-61×3=996-369-58=103×2=450-254=861×9-995=370-137+116=324-113-113=71+29=920-117×6=678-224-173=407×8-254=474-206-101=117×8=84×7+112=474+494=261-53+177=978-556+298=265-44=805×2-926=286-(43+236)=399+886-961=403×9=471-91-257=733-47×6=7/10-2/10=559-461=19+(964-579)=676-348=269-(442-237)=94+104=726×8=550+313-159=343+650+479=595+(517-176)=100×(556-549)=152+166×4=440-26×7=33×(171-162)=300-270+466=538-(137+376)=196×6-448=141×(429-426)=83×8-553=565+726+588=688-61-289=273-73=807+117-879=431-80×4=200+121=377-(500-261)=901×5-653=3/6+2/6=70×7+370=729-409=598×(253-245)=715-243×2=230×4=248+79×3=359+201×2=170+215=62×(380-375)=344+556=371+93-376=117×(378-371)=4/6-1/6=142×(342-337)=762-44×2=763-47×9=897+(591-391)=21×(526-518)=10+(940-712)=58+361+280=46+258+284=486-260-112=42×7-150=501-493+402=101×7=108×8=978×(290-285)=348-134=368+(967-756)=679+786-527=864×5=480-167=333-(212-13)=993-515+824=112+222-129=478+526=347+29+15=904-(111+161)=129×7=167-128+236=151+104×2=642+486-95=436×2=174×3+347=237-(275-236)=52+142-54=39+448-70=921-(908-120)=680+154+803=300+(716-94)=627+693+581=277+(440-264)=831-(939-439)=30+(300-211)=575-(258+99)=870-185×3=623×(660-651)=59+(301-279)=325+922-155=171+259+48=85+(905-284)=356-85=110×8=748-(62+256)=89×5=580-407+565=776-174×4=131×7-107=785-245+276=813-406×2=79+360=939-(795-653)=933×(689-681)=210-39×5=274-164+21=357+598-494=820-(143+542)=551-515+207=151×6=415-347=255+(107-71)=679×8-236=449-(274-247)=232+186×3=292-(137-32)=264×8=185×4-76=294+217=72×6=195×8=100+225=649+46-209=124×7-441=237-37×3=992-743+854=206-26×4=456-22-360=814-429+982=480×7-832=367-78-21=881-202×2=473×5-27=173-120+368=588-169×3=882-443=213×(219-214)=340-(196-35)=57+70×6=416-(205+182)=432+(168-34)=408-175=277×2-180=997-(93+31)=73×3=476-(321+141)=317-157+213=217+26-108=68×6=218-117+26=967-180+50=134×3+415=576×(813-807)=65×5=969-165×4=230×4-119=174+278-377=426×7-777=955+868+659=221-188+16=169-14×6=762+906+242=288-105×2=503×8=809-(344+227)=861-157×2=374-335+455=119×5-486=210×4-703=915-269+381=1/5+3/5=469-15×2=231×5=280×7=357-12×4=781-(968-345)=398-(147+159)=359×2+245=278-179+43=61+295-13=380-289+306=249-52+92=參考答案695-687+134=142318×9=2862291-40-153=98204×3=612608+235+860=1703697×(807-798)=6273574×7=4018747-(485-357)=619320-48×6=32244-68=176928+444+690=2062330-(70+17)=243127+329-62=394678-42×9=300718-108=610138×(81-74)=966479-137-141=201316-133×2=50654×9-678=5208857-137-475=245184+216×2=616161+298=459492-143-254=95334+(318-135)=51739+113×3=378839-(913-872)=798456+727=1183248×3-549=195109-14×4=53464-97-360=712×6=72100×(312-308)=400531×3-684=909331-13×5=266365-190-172=3319×2=638911×(93-86)=63772/4-1/4=1/4783+941-805=91923×(335-326)=207849+30×8=1089278+962=1240423-(140-20)=303779+722=1501505-29×8=273243-161=8246×(634-628)=276324+(931-551)=704578+161=739741×8-29=5899309+54-64=299395-244+174=325470-(202-27)=295230×2+304=764136×7=95283×2=16642×(347-339)=33633×8+445=70919+55×9=514559+774+336=1669840+344-333=851933-758-156=19339+316+926=158188+356+178=6228/10+2/10=1918-(549+116)=253117×(43-39)=468138+155=293956-262-499=195194+510=704502-328+887=1061469-364+395=500399-(131+76)=192246+114=3603/5+2/5=1822-60-276=486382-96=28638+15=53943+415+669=2027427+(461-378)=510465-417+184=232625+(746-611)=760423-20=403143+75+19=237241×(425-421)=964534×(670-661)=48065/8-1/8=4/8133-14×7=35662-252-174=236335-(72+202)=61122+(299-151)=270108×(142-135)=756858+791-804=845313×(277-271)=1878107×6+310=952728×(703-696)=509659×8=472123+169-222=7061-10×5=11289+(354-21)=622660+597=1257351-66×3=153337×(100-91)=3033412-12=40096×(27-20)=672257-48×4=65903+917-540=1280608+529+890=2027663-(757-360)=266199×5-651=344998-(529+212)=257735-(146+95)=494801-(133+381)=287491-282-154=55852-43-117=692930-529-97=304189×2+268=646362-189-111=62326-(444-335)=217718×8-242=5502122×5-524=86838-(958-833)=713121+61=182264-(151+101)=12728-156+216=788119×8+466=1418623+711=1334715+(881-555)=1041136×4=544606×7=424286×7+691=1293154+342+606=1102514-205-156=153300+79=3792/3-1/3=1/3123+170+293=586316-13×7=22557+529+21=607823+(753-342)=1234839+51×2=941211-91×2=29568-442+89=215232+58+353=643370-(31+195)=144393-316+124=201283-28×4=171629-405-183=41296-102-146=482/8-1/8=1/8586-254=332480×2-820=140272×7=1904633+460+803=1896160+283+256=69970+528+59=657228-189=39136+292-336=92261-(58+137)=66816-(875-193)=134375-(156+125)=94140-21=119440+(466-111)=795559+(773-684)=648942-765-46=13110×(423-417)=60316+(301-251)=366483-425-48=10277-64=213283+(237-11)=509430-(322-213)=321383+138+71=592120+355+236=711646+(855-622)=879421-25×6=271476-159+166=48341+58+516=615418+711-672=457447+87+78=612124×8-843=149361+379×2=1119289+(288-185)=392425-(499-434)=360384-283=101103×5+42=55735+(491-211)=315772-(265-39)=546190-176=14343-(364-290)=269158+65=223992+182-803=371184×3+674=1226442-(282+11)=14999×(163-157)=594325-321+121=12584×(121-114)=588940-650=290164-86=78354+508+496=1358699-77-353=2694/6-2/6=2/6144-27×5=9128+48×6=4163/8+5/8=155+395-52=398925-458=467540+612=1152289-(339-175)=125641×(241-237)=2564403-35×3=298406×(939-936)=1218329-(120+90)=119298×(458-455)=89410×(191-188)=30232-(239-60)=53969+(704-247)=1426113×8-485=419309-201-96=12960-277-506=177122×(317-310)=854595-188+418=825897-650=24726×8=208290-36=25483×(318-312)=498260-179=81497+220+88=805387-(698-692)=381149×9-184=1157419+40×7=699442-(112+209)=121106+770-800=76137×7-674=285870×7-151=5939124+(413-72)=465146+193=339406+58-163=301324-(110+110)=104280+(102-24)=358345×2-77=613981-751+519=749313+108+108=529717-49×6=42396×4+372=756930-827+928=1031343-(90+36)=217489-231-191=67353+60=413334+164×3=826222×3-325=341457-142-100=215479-(219-76)=336349-(449-115)=15480-19×4=40484×2=168112×(276-269)=78439×5+837=1032732+173+258=116384+204=288115×3+307=652340-255-34=51890-739+572=723178+260×3=95848×9+251=683319+(922-98)=1143728-682=46253+384+115=75274+888-158=804208-142=66178+(276-249)=205321+56=377488-(478-311)=321831-10+330=115119×6+15=129155+53+229=437501-266-149=8698+392=490209×9-828=1053990-(14+971)=5435+211=646204-(278-253)=17989×(339-332)=623385-175=210579-(196+238)=145530×8-324=391683×6=498954-(216+475)=263866-808+486=544358×2-546=170345+(828-89)=108478+423×2=924127×3-179=20291+377-106=362389×2-636=14291×(262-253)=819172×4+379=1067115+(406-249)=272786-(483-244)=547467-(300+53)=1144/7+2/7=6/7155×3+256=72163+195-41=2173/8-2/8=1/868+(230-180)=118662×6-589=3383483-220+56=319947-177+722=1492466+475-349=592426+347+38=811951-202×2=547391-(243-46)=194138×3-91=323250-30=220625-483=1425/8+2/8=7/8485-94×2=297336-(86+225)=25401-103-111=18781+118×7=90776×3=228574+51+276=901218+150=368263-(134+31)=98493-260=233103×4=412915-422=493365×2-634=96328-23×4=236399-(39+208)=152282-(994-941)=229609-31×3=516147-85+80=142474+(569-380)=663997×4=3988317×3-814=137101×3+122=425284-(21+216)=477/10+2/10=9/10949-701=248655-(564-374)=465313+111+272=696309+(468-183)=594184+379+289=852374+138=512187+213=400210×2+106=526365+69+288=722522×2=1044898-16+819=1701576+(551-209)=91820×2+818=858174+289-158=305667+164+663=149465+(873-63)=875293+56-282=67112+357-365=104210+681-376=515209-(56+130)=23260+316×2=892479-356+19=142994-710=284718-203×3=109473-(475-205)=203413-260+301=454335-56-14=265199+105×5=724972×(254-247)=6804761+(416-95)=1082332+817-912=237213×2=426288-(268-99)=119571+373-443=501482×2-742=222241+307+316=86432×4+480=608129+989+276=1394222+443=665248-(108+107)=33408+(932-153)=1187974-(453+194)=327802+(737-223)=1316381×2-500=262380+(908-219)=1069299+599+126=1024644-(329+246)=69270-54+239=45534+496+52=582766-(212+10)=544523-(549-494)=468414-52-29=333762-168+739=1333191-22×4=103216+185=401370+276+48=694173×(442-439)=519476-138×2=200231+(309-148)=392424-84×4=88200-31×2=138588+745+350=168370×6-350=70686-(31+293)=362323×4-992=30032×5+878=1038653-449+546=75027×(148-143)=135976+93×7=1627641-65×5=316918-247×2=424262-46×3=124162-(51+28)=8328×(270-264)=168818-172-116=530894-544-119=231965-(738+15)=212792-(218+302)=272161+234+357=752281+140=42152×(62-57)=260431-41=3901/6+3/6=4/6495-(179-48)=36429+56=85909-718-87=104431×(632-625)=3017302+(707-376)=633496-(128+158)=210374-111-94=169231+(300-224)=30789×2=178822-(226-103)=699307-68-71=168384-26×3=306257+73-136=194486-286+49=249478-30-95=353376+(441-403)=414137×(247-242)=685764×4=3056354+218+868=144047×4=188462-24×2=414794-385=409195×4+72=852881+846-278=1449361+137=498210+45-88=167467-81-236=150406-154-69=183186+44×2=274191×4=76422×7+848=1002651-533=118574+382-24=932345+490=835507+180-679=8192+390+416=998523-36×5=34389×(70-61)=801270-(173+43)=5499+549+240=888261-(341-309)=229983-(606-284)=661838×(481-476)=419095×7-363=30293+63=156433+34-130=337362-(196-49)=215902-(311+134)=457979-42-541=396387-(83+149)=155472-79×4=156137+(498-50)=585783+825+886=2494286+499=78530×(324-318)=180490+793+65=1348440-214-49=1771/3+2/3=1474-(379-11)=106592-295-31=266434+388=82290×8=720322-320+367=369354-152=202253-77=17626-18+131=139962-(355+415)=192937×(464-456)=7496125×7+232=110782×7=574226+(363-255)=334262-(193-186)=255431-(144+213)=74586×3-247=1511577-(271-222)=528466-439-21=695×9=85585×5-202=223880×(413-408)=4400101+374-97=378236-(139-35)=132132×2=264492×7-536=2908191-(351-308)=148237+367×2=971104×(278-272)=624116+133-41=2083/6-2/6=1/6257-(476-434)=215354+126×4=858972+(791-744)=101944+681+146=871119×8-794=158972-863=109417+243×2=903198+(420-381)=237355+141-230=266399-366=33207+163=370661-(84+287)=29077+244=321158+220-325=53197×5-769=216333-147+37=223898×(397-389)=7184461-(163-19)=317839-108-603=128191+297=488268-(270-207)=2054/8-2/8=2/8835-400-156=279611+747-30=1328757-17×5=672229-117=11233×6=198189×(48-43)=945524+529=1053413+77-214=276864-793=71387-(53+154)=180270+352+233=85565×6=39025+(286-97)=214558×2-86=1030170+111=281340×9-90=2970218-180+415=453226+946-258=91465×2=130125+243=368183+152×4=791217+147=364807-382=425371-29=342953-312+761=1402998-(502-497)=993917-(559+136)=22243×8-182=162246+65=311472-25-261=186334+495-319=510779×9-540=6471487-19-433=35886-(787-511)=610165+231-162=234183×4=732459+943-73=1329103+102=205703×(721-718)=2109408×9-326=3346880-184=696468+(400-83)=785508×2=101694×(297-288)=8462/8+3/8=5/8329-(16+35)=278950-345+846=1451458+139-115=482632-198-259=175230×2-175=285315-(805-595)=105337×2=674279+(269-242)=306980-(258+428)=294635-46=589471-100-342=29247+130=377720-(806-294)=208340-89-11=240159+911+961=2031472-292=180336+680=1016128×7=896697-(302+161)=234599+603+491=1693363×6-475=1703878×(773-769)=3512330-130=200885-430+744=1199276-(66+120)=9090+(487-73)=504901-125-332=44431+114=145294×3=882705-628=77370-(997-995)=368595-176+181=600605+147=75276+389-310=155171+168=339685×(132-129)=2055444-340=104205-18+189=37661-(119-107)=49206×4+444=1268250-(28+36)=186183-30+331=48471+52+72=195726-517=209282-29×6=108146×(483-480)=438296-(291-41)=46529+738+325=15924/9-3/9=1/9227-(465-239)=1850-701+904=1053156×2-241=71373-96-199=78186+(311-113)=384425+947=1372362+14×7=460681+658-223=1116406-44×9=10113+268=381115+(879-585)=4093/6-1/6=2/6262+(878-699)=44183+435×2=953445-227-208=10225-103=122387+(385-277)=495301×4=1204331-72=259409+62×2=533269+196-30=435886-(410-345)=821812-(261-118)=669299-(117+122)=601/4+3/4=1718-533=185122×2=244258+56+267=581952+35-681=306264+31-12=283203-(48+140)=15314+108×2=530372×2+198=942102+17=119442-29×4=326298×4=1192123+(229-80)=272461-61×3=278996-369-58=569103×2=206450-254=196861×9-995=6754370-137+116=349324-113-113=9871+29=100920-117×6=218678-224-173=281407×8-254=3002474-206-101=167117×8=93684×7+112=700474+494=968261-53+177=385978-556+298=720265-44=221805×2-926=684286-(43+236)=7399+886-961=324403×9=3627471-91-257=123733-47×6=4517/10-2/10=5/10559-461=9819+(964-579)=404676-348=328269-(442-237)=6494+104=198726×8=5808550+313-159=704343+650+479=1472595+(517-176)=936100×(556-549)=700152+166×4=816440-26×7=25833×(171-162)=297300-270+466=496538-(137+376)=25196×6-448=728141×(429-426)=42383×8-553=111565+726+588=1879688-61-289=338273-73=200807+117-879=45431-80×4=11120